Question

when does the fetal stage begin?
at the beginning of the ninth week of pregnancy
at the beginning of the eighth week of pregnancy
at the end of the eighth week of pregnancy
at the end of the ninth week of pregnancy
at the end of the seventh week of pregnancy

Explanation:

The fetal stage begins at the end of the eighth week of pregnancy. Before this, the embryo is in the embryonic stage. At the end of the eighth week, major organ systems are formed, and the embryo is now called a fetus.

Answer:

At the end of the eighth week of pregnancy